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Table 4 Logistic regression models

From: Prospective evaluation of contrast-enhanced ultrasound of breast BI-RADS 3–5 lesions

 

ROC analysis of logistic regression models

Univariate logistic regression models

AUCROC (%)

95% CI (%)

p-value

Senzitivity (%)

Specificity (%)

 TTP

67.8

60.2–75.5

< 0.001

77.6

52.7

 WIS

69.8

62.1–77.5

< 0.001

74.6

66.4

 PI

56.9

49.0–64.8

0.105

85.1

37.7

 AUC

48.4

40.3–56.5

0.711

92.5

18.5

 Type of vascularization

55.0

46.5–63.5

0.242

29.9

80.1

 Perfusion homogeneity

52.6

44.4–60.8

0.540

97.0

8.2

 Enhancement degree

74.7

67.8–81.6

< 0.001

89.6

48.6

Multivariate logistic regression models

AUCROC(%)

95% CI (%)

p-value

Senzitivity (%)

Specificity (%)

Model 1 (TTP + enhancement degree)

78.2

71.7–84.8

< 0.001

86.6

63.7

Model 2 (WIS + enhancement degree)

75.7

68.5–82.8

< 0.001

79.1

70.5

  1. Abbreviations: AUC area under curve; CI confidence interval; TI time intensity curves; TTP time to peak; WIS wash in slope; PI peak intensity